/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package async;

import java.io.PrintWriter;

import javax.servlet.AsyncContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;

@douyu.mvc.Controller
public class Async0 {

	private static final Log log = LogFactory.getLog(Async0.class);

	public void index(final HttpServletRequest req, final HttpServletResponse resp, PrintWriter out) {
		if (Boolean.TRUE == req.getAttribute("dispatch")) {
			log.info("Received dispatch, completing on the worker thread.");
			log.info("After complete called started:" + req.isAsyncStarted());
			out.write("Async dispatch worked:+" + System.currentTimeMillis() + "\n");
			req.getAsyncContext().complete();
		} else {
			resp.setContentType("text/plain");
			final AsyncContext actx = req.startAsync();
			actx.setTimeout(Long.MAX_VALUE);
			Runnable run = new Runnable() {
				@Override
				public void run() {
					try {
						req.setAttribute("dispatch", Boolean.TRUE);
						Thread.currentThread().setName("Async0-Thread");
						log.info("Putting AsyncThread to sleep");
						//Thread.sleep(2 * 1000);
						Thread.sleep(100);
						log.info("Dispatching");
						actx.dispatch();
					} catch (InterruptedException x) {
						log.error("Async1", x);
					} catch (IllegalStateException x) {
						log.error("Async1", x);
					}
				}
			};
			Thread t = new Thread(run);
			t.start();
		}
	}
}
